DeBono, E. (1992). Tactics the art abd science of success. Harper collins.
Lua i Stíl Chicago (17ú heag.)DeBono, Edward. Tactics the Art Abd Science of Success. India: Harper collins, 1992.
Lua MLA (9ú heag.)DeBono, Edward. Tactics the Art Abd Science of Success. Harper collins, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.